Home / 74,208.16-111,355.92-27,493.60

Finding the Fourth Proportional to 74,208.16, 111,355.92 and 27,493.60

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Solution

The fourth proportional to 74,208.16, 111,355.92 and 27,493.60 is: 41,256.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,208.16 : 111,355.92 = 27,493.60 : x
  2. Step 2: Convert to fraction form
    74,208.16/111,355.92 = 27,493.60/x
  3. Step 3: Cross multiply
    74,208.16x = 111,355.92 × 27,493.60
  4. Step 4: Simplify right side
    74,208.16x = 3,061,575,122.11
  5. Step 5: Solve for x
    x = 3,061,575,122.11/74,208.16
  6. Step 6: Final answer
    x = 41,256.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.